build for gnome-desktop fails to find xml2po

[matthewapeters@…]

users-mac:~ user$ sudo port install -d evince
Password:
--->  Computing dependencies for evince
--->  Building gnome-desktop
Error: Target org.macports.build returned: shell command " cd "/opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_release_ports_gnome_gnome-desktop/work/gnome-desktop-2.26.3" && /usr/bin/make -j2 all " returned error 2
Command output: Making all in po
Making all in libgnome-desktop
Making all in libgnome
Making all in libgnomeui
Making all in gnome-about
Making all in headers
Making all in pixmaps
Making all in desktop-docs
Making all in fdl
Making all in gpl
Making all in lgpl
Traceback (most recent call last):
  File "/opt/local/bin/xml2po", line 185, in <module>
    main(sys.argv[1:])
  File "/opt/local/bin/xml2po", line 88, in main
    from xml2po import Main
ImportError: No module named xml2po
make[3]: *** [ar/lgpl.xml] Error 1
make[3]: *** Waiting for unfinished jobs....
make[2]: *** [all-recursive] Error 1
make[1]: *** [all-recursive] Error 1
make: *** [all] Error 2

Error: The following dependencies failed to build: nautilus gnome-desktop libexif libunique poppler lcms openjpeg poppler-data t1lib
Error: Status 1 encountered during processing.
Before reporting a bug, first run the command again with the -d flag to get complete output.

[jmroot (Joshua Root)]

#23983